Portion of a shoe upper



FIG. 1 is a front lateral perspective view of a portion of a shoe upper showing my new design;

FIG. 2 is a rear lateral perspective view thereof;

FIG. 3 is a lateral side view thereof;

FIG. 4 is a medial side view thereof;

FIG. 5 is a front view thereof; and,

FIG. 6 is a top view thereof.

The uneven broken line immediately adjacent the shaded area represents an unclaimed boundary of the design. The broken line showing of the four unshaded generally triangularly-shaped regions within the shaded region and the remainder of the shoe is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a portion of a shoe upper, as shown and described. 